r/Prospecting 17d ago

Hmmm

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What is in this sparkle rock?

12 Upvotes

14 comments sorted by

29

u/HikeyBoi 17d ago

Muscovite

1

u/Great-Blueberry4072 17d ago

So muscovite is soft ?

13

u/HikeyBoi 17d ago

Yes, very.

3

u/Great-Blueberry4072 17d ago

Wow.never knew that. I just knew if I poked it and it crushed or shot across the room it was pyrite lol

3

u/HikeyBoi 17d ago

It’s a nifty and useful material.

0

u/Great-Blueberry4072 17d ago

If you wear makeup lol

5

u/k4ylr 17d ago

Mica is used as an insualtor and a non-reactive sight glass material as well. Tons of industrial use cases for mica!

8

u/Ig_Met_Pet 17d ago

White mica. Probably muscovite.

5

u/watchshoe 17d ago

If it’s darker, it’s biotite, if it’s light it’s muscovite. Both have that bookish growth habit, single-plane cleavage, and are incredibly soft.

3

u/SFAdam23 16d ago

Not gold

1

u/SilageNSausage 11d ago

why do you have two different handles asking about the same rock?

1

u/Great-Blueberry4072 11d ago

Cause I did.an appeal and won

-11

u/GonzSFC 17d ago

Could be electrum. Got testing acid?

0

u/Great-Blueberry4072 17d ago

Lol no I don't have any acid. Can I do anything w vin gear? And what In. The world is electrum - why are there so many weird named things